package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import javax.validation.constraints.Min;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品接口")
@Slf4j
public class DishController {
    @Autowired
private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
@ApiOperation("新增菜品")
public Result save(@RequestBody DishDTO dishDTO){
log.info("新增菜品{}",dishDTO);
    dishService.save(dishDTO);
     //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        //批量操作直接删除清除所有缓存，所有dish_开头的key
        cleanCache(key);

    return Result.success();
}
@GetMapping("/page")
@ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
log.info("菜品分页查询{}",dishPageQueryDTO);
    PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
}

@DeleteMapping
@ApiOperation("批量删除菜品")
public Result deleteBatch(@RequestParam List<Long> ids){
log.info("批量删除菜品{}",ids);
    dishService.deleteBatch(ids);
    //批量操作直接删除清除所有缓存，所有dish_开头的key
    cleanCache("dish_*");
    return Result.success();
}
@GetMapping("/{id}")
@ApiOperation("根据id查询菜品")
public Result<DishVO> selectById(@PathVariable Long id){
log.info("根据id查询菜品{}",id);
    DishVO dishVO =  dishService.selectById(id);

        return Result.success(dishVO);
}
@PutMapping
@ApiOperation("修改菜品")
public Result updateById(@RequestBody DishDTO dishDTO){
        log.info("修改菜品{}",dishDTO);
        dishService.updateById(dishDTO);

    //批量操作直接删除清除所有缓存，所有dish_开头的key
    cleanCache("dish_*");

        return Result.success();
}

@PostMapping("/status/{status}")
@ApiOperation("修改菜品状态")
public Result updateStatus(@PathVariable Integer status,@RequestParam Long id){
        log.info("修改菜品状态");
        dishService.updateStatus(id,status);

    //批量操作直接删除清除所有缓存，所有dish_开头的key
  cleanCache("dish_*");

        return Result.success();
}
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
public Result<List<Dish>> getByCategoryId(@RequestParam Long categoryId){
log.info("根据分类id查询菜品{}",categoryId);
List<Dish> dish = dishService.getByCategoryId(categoryId);
      return  Result.success(dish);
}

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){

    Set keys = redisTemplate.keys(pattern);
    redisTemplate.delete(keys);

}

}
